Hydrosection
洗瓶机的喷水段
🗣️ 情景例句
How long?
多久？
Can you tell me what time Mr. chen will be back ?
你能否告诉我陈先生何时会回来？
How do you do ? Are you having a nice time in Beijing?
你好！你在北京玩得愉快吗？